US7887190B2 - Method and system for an enclosed, portable, volatile environment laser projector - Google Patents

Method and system for an enclosed, portable, volatile environment laser projector Download PDF

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Publication number
US7887190B2
US7887190B2 US12/024,825 US2482508A US7887190B2 US 7887190 B2 US7887190 B2 US 7887190B2 US 2482508 A US2482508 A US 2482508A US 7887190 B2 US7887190 B2 US 7887190B2
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United States
Prior art keywords
purge chamber
laser projector
laser
optically transparent
transparent wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US12/024,825
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English (en)
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US20090195759A1 (en
Inventor
James C. Van Avery
Kenneth E. Irwin, III
Paul G. Solecki
Reynold R. Panergo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boeing Co
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Boeing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Boeing Co filed Critical Boeing Co
Priority to US12/024,825 priority Critical patent/US7887190B2/en
Assigned to THE BOEING COMPANY reassignment THE BOEING COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PANERGO, REYNOLD R., SOLECKI, PAUL G., VAN AVERY, JAMES C., IRWIN, KENNETH E., III
Priority to CA2638615A priority patent/CA2638615C/en
Priority to AU2008207362A priority patent/AU2008207362B2/en
Priority to JP2008221984A priority patent/JP5202191B2/ja
Priority to KR1020080089945A priority patent/KR100988693B1/ko
Priority to EP08253271A priority patent/EP2085747B1/en
Priority to RU2008144791/12A priority patent/RU2008144791A/ru
Priority to CN200910002260.1A priority patent/CN101498579B/zh
Publication of US20090195759A1 publication Critical patent/US20090195759A1/en
Publication of US7887190B2 publication Critical patent/US7887190B2/en
Application granted granted Critical
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Adjusted expiration legal-status Critical

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002Active optical surveying means
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/18Fire preventing or extinguishing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/025Constructional details of solid state lasers, e.g. housings or mountings
    • H01S3/027Constructional details of solid state lasers, e.g. housings or mountings comprising a special atmosphere inside the housing

Definitions

  • the present disclosure is generally related to a laser projector and more particularly is related to a portable laser projector and enclosure for use in hazardous environments.
  • Laser projection is a useful tool in manufacturing processes.
  • Laser projectors can be used for non-contact vision Inspection and visual pattern guidance.
  • Laser projections are used extensively in composite ply construction for aircraft manufacturing. Rapid kitting is accomplished using laser projection to indicate locations of numerous small items on large sheets of stock. Nested parts are often cut in separate areas of a large sheet to optimize material usage. Consequently, the parts for one kit may be grouped with the parts to another.
  • Laser projectors are used to highlight parts in sequence for kitting. Names, kit numbers and other nomenclature may also be projected.
  • Laser projection can eliminate the need for costly tooling, templates or layouts. The ability to view the exact location of an object without the use of additional tooling results in cost savings.
  • Laser projected shapes can assist in outlining designs on large objects, such as planes, buses, boats and trains, for paint masking. Current methods require extensive measuring and can be painstaking and time consuming.
  • Laser projection can provide an accurate reference line on objects for paint masking applications.
  • paint booths present a problem in that various hazardous and explosive gases are associated with paint booths. Association of laser projectors with paint booths is considered a safety risk, deterring realization of the prospective cost savings of laser projection templates for paint masking.
  • Embodiments of the present disclosure provide a system and method for laser projection in an explosive environment. Briefly described, in architecture, one embodiment of the system, among others, can be implemented as follows.
  • the system contains a purge chamber.
  • a substantially optically transparent wall is formed along the purge chamber.
  • a laser projector is mounted within the purge chamber. The laser projector is positioned to project a laser beam through the substantially optically transparent wall.
  • the present disclosure can also be viewed as providing methods for providing laser projection in an explosive environment.
  • one embodiment of such a method can be broadly summarized by the following steps: projecting an image onto an object with a laser projector; operating the laser projector from within a purge chamber; projecting the image through a substantially optically transparent wall of the purge chamber; and controlling an environment within the purge chamber.
  • FIG. 1 is an illustration of a partial cut-away front of a system for laser projection in an explosive environment, in accordance with a first exemplary embodiment
  • FIG. 2 is a perspective illustration of a system for laser projection in an explosive environment, in accordance with a second exemplary embodiment
  • FIG. 3 is a front illustration of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment
  • FIG. 4 is a side illustration of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment
  • FIG. 5 is a sectional illustration of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment
  • FIG. 6 is an exploded illustration of a portion of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment.
  • FIG. 7 is a flowchart illustrating a method of providing the abovementioned system for laser projection in an explosive environment, in accordance with the first exemplary embodiment.
  • FIG. 1 is an illustration of a partial cut-away front of a system 10 for laser projection in an explosive environment, in accordance with a first exemplary embodiment.
  • the system 10 contains a purge chamber 12 .
  • a substantially optically transparent wall 14 is formed along the purge chamber 12 .
  • a laser projector 16 is mounted within the purge chamber 12 .
  • the laser projector 16 is positioned to project a laser beam through the substantially optically transparent wall 14 .
  • the purge chamber 12 maintains a positive pressure environment within the purge chamber 12 that allows for safe operation of the laser projector 16 .
  • the purge chamber 12 may be connected to one or more conduits that transmit one or more gasses into and out of the purge chamber 12 .
  • the purge chamber 12 may have one or more monitors housed therein that monitor the environment within the purge chamber 12 for the presence of hazardous or explosive gasses.
  • the purge chamber 12 may include a device for communicating to a user the presence of hazardous or explosive gasses in the environment within the purge chamber 12 and/or automatically terminating operation of the laser projector 16 upon indication of the presence of hazardous or explosive gasses.
  • the substantially optically transparent wall 14 forms a window that allows the laser projector 16 to project a line, image, or other projection out of the purge chamber 12 .
  • the substantially optically transparent wall 14 may be designed of a material that allows at least partial passage of the radiation emitted from the laser projector 16 .
  • the substantially optically transparent wall 14 need only allow transmission of that non-visible wavelength of radiation, although the substantially optically transparent wall 14 may allow transmission of a broad band of radiation wavelengths.
  • the laser projector 16 may be any device known in the industry for transmitting one or more beams of radiation.
  • the laser projector 16 may include hardware and software for accurately projecting images onto uneven, three dimensional objects.
  • FIG. 2 is a perspective illustration of a system 110 for laser projection in an explosive environment, in accordance with a second exemplary embodiment.
  • the system 110 contains a purge chamber 112 .
  • a substantially optically transparent wall 114 is formed along the purge chamber 112 .
  • a laser projector 116 is mounted within the purge chamber 112 .
  • the laser projector 116 (shown in FIG. 5 ) is positioned to project a laser beam through the substantially optically transparent wall 114 .
  • FIG. 3 is a front illustration of the system 110 for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment.
  • the system 110 includes a protective wall 118 movable between a first position (shown in FIG. 3 ) and a second position (shown in FIG. 2 ), wherein the first position substantially overlaps the substantially optically transparent wall 114 and the second position substantially exposes the substantially optically transparent wall 114 .
  • the protective wall 118 may be utilized when practical to protect the substantially optically transparent wall 114 .
  • Protective wall 118 may open and close automatically upon activation of the laser projector.
  • the system 110 includes a cart 122 having a plurality of wheels 124 , wherein the purge chamber 112 is mounted to the cart 122 .
  • the cart 122 allows the purge chamber 112 to be rolled to various locations for use of the laser projector 116 .
  • Cart 122 also includes at least one, and preferably three hand cranked leveling jacks for leveling the cart and lifting the cart to a stable position off the wheels once the cart is moved to a desired position.
  • the system 110 includes at least one pivot pin 126 mounted to an exterior surface of the purge chamber 112 .
  • the purge chamber 112 may have pivot pins 126 on opposing sides of the purge chamber 112 .
  • the purge chamber 112 may be rotated, for instance, ninety degrees on the pivot pins 126 .
  • the pivot pins 126 may also be used to pick up the purge chamber 112 with a forklift.
  • at least one fork pocket may be formed in the purge chamber 112 .
  • the fork pocket may be sized to receive a fork of a forklift, allowing the purge chamber 112 to be lifted with the forklift.
  • the system 110 includes a wireless communications device 136 (shown in FIG. 5 ) mounted within the purge chamber 112 and wired to the laser projector 116 .
  • the wireless communications device 136 allows communications to the laser projector 116 through the purge chamber 112 .
  • the system 110 may include an antenna 138 mounted to the purge chamber 112 at least partially exterior to the purge chamber 112 .
  • the antenna 138 is in communication with the wireless communications device 136 and may provide enhanced transmission of a signal from the wireless communications device 136 .
  • the wireless communications device 136 and antenna 138 may be commercially available wireless communications products.
  • the wireless communications device 136 may be integral with antenna 138 .
  • the wireless communications device 136 may, for instance, be used to transmit images to the laser projector 116 for projection.
  • FIG. 4 is a side illustration of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment.
  • a conduit 140 is connected to the purge chamber 112 for gas transmission.
  • the conduit 140 is shown connected to the purge chamber 112 through a purge controller 142 mounted to the purge chamber 112 .
  • the purge controller 142 controls gas transmission through the conduit 140 .
  • the purge controller 142 may also have a release valve 144 ( FIG. 3 ) mounted thereto. The release valve 144 may be operated to release an excess of gas pressure within the purge chamber 112 .
  • FIG. 5 is a sectional illustration of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment.
  • the system 110 includes at least one data connector 128 (shown in FIG. 4 ) and at least one power connector formed in the purge chamber 112 to provide power and communications to the laser projector 116 .
  • a power strip 132 may be mounted within the purge chamber 112 for connection to the laser projector 116 .
  • the second exemplary embodiment also shows devices for wireless communication to the laser projector 116 and, while both devices may be provided, it may be more likely that either wired or wireless communication to the laser projector 116 be provided.
  • FIG. 6 is an exploded illustration of a portion of the system for laser projection in an explosive environment shown in FIG. 2 , in accordance with the second exemplary embodiment.
  • the protective wall 118 may be slidable on a pair of tracks 120 .
  • the protective wall 118 may be attached to the purge chamber 112 in various other ways, which allow the protective wall 118 to move between a position protecting the substantially optically transparent wall 114 and a position that does not obstruct it.
  • Those other ways to attach the protective wall 118 may include devices that allow the protective wall 118 to remain attached to the purge chamber 112 , such as hinges, and devices that allow removal of the protective wall 118 from the purge chamber 112 , such as a threaded fastening.
  • FIG. 7 is a flowchart 200 illustrating a method of providing the abovementioned system for laser projection in an explosive environment, in accordance with the first exemplary embodiment.
  • any process descriptions or blocks in flow charts should be understood as representing modules, segments, portions of code, or steps that include one or more instructions for implementing specific logical functions in the process, and alternate implementations are included within the scope of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art.
  • an image is projected onto an object with a laser projector 16 .
  • the laser projector 16 is operated from within a purge chamber 12 (block 204 ).
  • the image is projected through a substantially optically transparent wall 14 of the purge chamber 12 (block 206 ).
  • An environment within the purge chamber 12 is controlled (block 208 ).
  • This method of laser projection allows laser projection in a hazardous or explosive environment such as, for example, in close proximity to a paint booth 13 .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Laser Beam Processing (AREA)
  • Projection Apparatus (AREA)
  • Lasers (AREA)
US12/024,825 2008-02-01 2008-02-01 Method and system for an enclosed, portable, volatile environment laser projector Active 2029-03-15 US7887190B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US12/024,825 US7887190B2 (en) 2008-02-01 2008-02-01 Method and system for an enclosed, portable, volatile environment laser projector
CA2638615A CA2638615C (en) 2008-02-01 2008-08-08 Portable laser projector and enclosure
AU2008207362A AU2008207362B2 (en) 2008-02-01 2008-08-18 Portable laser projector and enclosure
JP2008221984A JP5202191B2 (ja) 2008-02-01 2008-08-29 爆発性環境でのレーザ投影のための装置および方法
KR1020080089945A KR100988693B1 (ko) 2008-02-01 2008-09-11 휴대가능한 레이저 프로젝터 및 외피
EP08253271A EP2085747B1 (en) 2008-02-01 2008-10-08 Portable laser projector and enclosure
RU2008144791/12A RU2008144791A (ru) 2008-02-01 2008-11-13 Переносной лазерный проектор и защитная оболочка
CN200910002260.1A CN101498579B (zh) 2008-02-01 2009-01-13 便携式激光投射设备和壳体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/024,825 US7887190B2 (en) 2008-02-01 2008-02-01 Method and system for an enclosed, portable, volatile environment laser projector

Publications (2)

Publication Number Publication Date
US20090195759A1 US20090195759A1 (en) 2009-08-06
US7887190B2 true US7887190B2 (en) 2011-02-15

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US12/024,825 Active 2029-03-15 US7887190B2 (en) 2008-02-01 2008-02-01 Method and system for an enclosed, portable, volatile environment laser projector

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US (1) US7887190B2 (ja)
EP (1) EP2085747B1 (ja)
JP (1) JP5202191B2 (ja)
KR (1) KR100988693B1 (ja)
CN (1) CN101498579B (ja)
AU (1) AU2008207362B2 (ja)
CA (1) CA2638615C (ja)
RU (1) RU2008144791A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8622554B1 (en) * 2011-05-26 2014-01-07 Twilight Features, Inc. Portable weather-resistant unit for video projectors
USD719206S1 (en) * 2013-06-12 2014-12-09 John T. Washek USB compatible projector

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108897191B (zh) * 2018-08-29 2020-09-11 安福县鑫杰科科技有限公司 一种教育用投影布固定装置
CN110103186B (zh) * 2019-05-30 2022-04-29 厉鼎 调节型风塔传动轮架
CN114918951A (zh) * 2022-06-27 2022-08-19 西安优艾智合机器人科技有限公司 激光投影机器人及飞机装配方法
CN120236472A (zh) * 2023-12-28 2025-07-01 精工爱普生株式会社 投射系统

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US5771260A (en) 1996-10-04 1998-06-23 Excimer Laser Systems, Inc. Enclosure system for laser optical systems and devices
US20020008697A1 (en) 2000-03-17 2002-01-24 Deering Michael F. Matching the edges of multiple overlapping screen images
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US20060077354A1 (en) 2004-10-08 2006-04-13 Krystian Goik Laser projector having temperature control
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US5425279A (en) 1993-09-23 1995-06-20 Atlantic Richfield Company Vessel inspection system
US5425179A (en) 1993-10-22 1995-06-20 The Charles Machine Works, Inc. Optical sensor for measuring inclination angles
US5771260A (en) 1996-10-04 1998-06-23 Excimer Laser Systems, Inc. Enclosure system for laser optical systems and devices
US20020008697A1 (en) 2000-03-17 2002-01-24 Deering Michael F. Matching the edges of multiple overlapping screen images
US20020024640A1 (en) 2000-08-29 2002-02-28 Olympus Optical Co., Ltd. Image projection display apparatus using plural projectors and projected image compensation apparatus
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US20060077354A1 (en) 2004-10-08 2006-04-13 Krystian Goik Laser projector having temperature control
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8622554B1 (en) * 2011-05-26 2014-01-07 Twilight Features, Inc. Portable weather-resistant unit for video projectors
USD719206S1 (en) * 2013-06-12 2014-12-09 John T. Washek USB compatible projector

Also Published As

Publication number Publication date
RU2008144791A (ru) 2010-05-20
AU2008207362B2 (en) 2015-01-22
CN101498579B (zh) 2014-05-21
CA2638615C (en) 2013-07-30
EP2085747A1 (en) 2009-08-05
AU2008207362A1 (en) 2009-08-20
JP2009186973A (ja) 2009-08-20
US20090195759A1 (en) 2009-08-06
EP2085747B1 (en) 2012-12-05
JP5202191B2 (ja) 2013-06-05
KR20090084640A (ko) 2009-08-05
KR100988693B1 (ko) 2010-10-18
CN101498579A (zh) 2009-08-05
CA2638615A1 (en) 2009-08-01

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